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Re: [cobalt-users] 501 EMail Error

Your mailer is setup with some anti-spam filtering rules and it won't accept mail from domains that don't exist. Sendmail can't find it in DNS. I think that is the problem, but I can't confirm this because the addresses given aren't the correct ones. 

-Dave
When my colleague sends an email to me from his work place, he gets the email returned with the following message: 

 >----- The following addresses had permanent fatal
 >errors -----
 > <me@xxxxxxxxxxxxxx>
 >
 > ----- Transcript of session follows -----
 > .... while talking to mail.mydomain.co.uk.:
 > >>> MAIL From:<him@xxxxxxxxxxxxx> SIZE=449 RET=FULL
 > <<< 501 <peter@xxxxxxxxx>... Sender domain must exist
 > 501 <me@xxxxxxxxxxxxxx>... Data format error
Any ideas as to why this could be. I can send to myself from my college account and so can my other colleagues. 

Thanks in advance,
L.

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--
  David B. Peterson    Metagraphics, Inc.
1023 Corporation Way, Palo Alto, CA  94303
  650-964-4600 x225    FAX: 650-964-9575